From: Simon Marlow <marlowsd@gmail.com>
Date: Thu, 10 Dec 2009 12:45:37 +0000 (+0000)
Subject: Allow spaces at either end of the C import spec (#3742)
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=3e17c05b0550e8cbf47a4e9659e40826e364eb81

Allow spaces at either end of the C import spec (#3742)
---

diff --git a/compiler/parser/RdrHsSyn.lhs b/compiler/parser/RdrHsSyn.lhs
index fdf97bc..49a0946 100644
--- a/compiler/parser/RdrHsSyn.lhs
+++ b/compiler/parser/RdrHsSyn.lhs
@@ -1002,13 +1002,17 @@ parseCImport cconv safety nm str =
  listToMaybe $ map fst $ filter (null.snd) $ 
      readP_to_S parse str
  where
-   parse = choice [
+   parse = do
+       skipSpaces
+       r <- choice [
           string "dynamic" >> return (mk nilFS (CFunction DynamicTarget)),
           string "wrapper" >> return (mk nilFS CWrapper),
           optional (string "static" >> skipSpaces) >> 
            (mk nilFS <$> cimp nm) +++
            (do h <- munch1 hdr_char; skipSpaces; mk (mkFastString h) <$> cimp nm)
-       ]
+         ]
+       skipSpaces
+       return r
 
    mk = CImport cconv safety